International Journal of Mathematics and Mathematical Sciences

Volume 21 (1998), Issue 4, Pages 695-700

doi:10.1155/S0161171298000969

## The neutrix convolution product in
Z ′ ( m ) and the exchange formula

# C. K. Li^{1} and E. L. Koh^{2}

^{1}Department of Mathematics & Computer Science, University of Lethbridge, Lethbridge, Alberta, Canada^{2}Department of Mathematics and Statistics, University of Regina, Regina, Saskatchewan, Canada

Received 18 November 1996; Revised 28 February 1997

Copyright © 1998 C. K. Li and E. L. Koh. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

#### Abstract

One of the problems in distribution theory is the lack of definition for convolutions and
products of distribution in general. In quantum theory and physics (see e.g. [1] and [2]), one finds that
some convolutions and products such as